没关系 (沒關係) méi​guān​xi
never mind expression
it doesn't matter; it's okay

没关系介意

méi​guān​xi, jiè​yì.

It's okay, I don't mind.

it's okay expression
a common expression used to indicate that something does not matter, is of no consequence, or to accept an apology.
have no connection verb
to have no relationship, connection, or involvement with someone or something